Inter-PBX traffic PBX networks

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CPC
H04Q2213/384

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HELECTRICITY H04Electric communication H04QSELECTING H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems

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H04Q2213/384Inter-PBX traffic PBX networks

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Patents Grantslast 30 patents

Information Patent Grant
Computer telephony (CT) network serving multiple telephone switches
- Patent number 6,760,427
- Issue date Jul 6, 2004
- Inter-Tel, Inc.
- Laura S. Schultz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system for multi-service communication terminal equip...
- Patent number 5,453,984
- Issue date Sep 26, 1995
- Siemens Aktiengesellschaft
- Henrik Mueller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Computer telephony (CT) network serving multiple telephone switches
- Publication number 20030002647
- Publication date Jan 2, 2003
- Inter-Tel, Inc.
- Laura S. Schultz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE